资源解释为脚本，但传输MIME类型文本/html javascript

我有一个问题，包括AngularJS/javascript到我的html文档。每次我加载我的index.html，我得到这个错误:

Resource interpreted as Script but transferred with MIME type text/html: "http://localhost:8888/assets/angular/1.2.9/angular-route.js". index.html:17
Resource interpreted as Script but transferred with MIME type text/html: "http://localhost:8888/assets/angular/1.2.9/angular.js". 

这是我的脚本标签:

<script src="./assets/angular/1.2.9/angular.js"></script>
<script src="./assets/angular/1.2.9/angular-route.js"></script>

我已经尝试过了:

包括<?php Header("Content-Type: application/x-javascript; charset=UTF-8"); ?>、定义脚本标签text/javascript是或application/javascript

我希望你们能帮我解决这个问题。